EXPLANATIONS AND REFERENCES, 



PLATE CXXX. 



Figures magnified 62 diameters. 



PAGE. 

 Fig. 1. VAUCHERIA TUBEROSA, type-form, .... 154 



" 1-5. Dichotoraous branching and constricted basal ends of branchlets, 154 

 " 6-10. Lateral stolons variously shaped ; the latter two tuberose, . 154 



